1st century BC-2nd century AD and later. A mosaic glass tile group comprising: a rectangular mosaic glass bead with facing bust in a radiating blue nimbus; a rectangular mosaic glass tile with deep blue border and facing bust; accompanied by four later black glass avian inlays. 9.8 grams total, 10-19mm (1/2 - 3/4"). From a central London gallery; previously in a private collection. [6]